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authorMarek Olšák <maraeo@gmail.com>2013-01-12 03:19:03 +0100
committerMarek Olšák <maraeo@gmail.com>2013-01-14 03:11:42 +0100
commite93a5c2b861087d512ac15a56bb5ff808ae13a41 (patch)
treeea2b7761a898ffb32826627f23e2850fd3b7dd9b /src/gallium/drivers/r300
parent631c631cbf5b7e84e42a7cfffa1c206d63143370 (diff)
r300g: if both Z and stencil are present, they must be fast-cleared together
Diffstat (limited to 'src/gallium/drivers/r300')
-rw-r--r--src/gallium/drivers/r300/r300_blit.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index 29537643542..0490160aad8 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -135,7 +135,8 @@ static boolean r300_cbzb_clear_allowed(struct r300_context *r300,
return r300_surface(fb->cbufs[0])->cbzb_allowed;
}
-static boolean r300_fast_zclear_allowed(struct r300_context *r300)
+static boolean r300_fast_zclear_allowed(struct r300_context *r300,
+ unsigned clear_buffers)
{
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
@@ -242,8 +243,15 @@ static void r300_clear(struct pipe_context* pipe,
if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
boolean zmask_clear, hiz_clear;
- zmask_clear = r300_fast_zclear_allowed(r300);
- hiz_clear = r300_hiz_clear_allowed(r300);
+ /* If both depth and stencil are present, they must be cleared together. */
+ if (fb->zsbuf->texture->format == PIPE_FORMAT_S8_UINT_Z24_UNORM &&
+ (buffers & PIPE_CLEAR_DEPTHSTENCIL) != PIPE_CLEAR_DEPTHSTENCIL) {
+ zmask_clear = FALSE;
+ hiz_clear = FALSE;
+ } else {
+ zmask_clear = r300_fast_zclear_allowed(r300, buffers);
+ hiz_clear = r300_hiz_clear_allowed(r300);
+ }
/* If we need Hyper-Z. */
if (zmask_clear || hiz_clear) {
@@ -262,9 +270,6 @@ static void r300_clear(struct pipe_context* pipe,
/* Setup Hyper-Z clears. */
if (r300->hyperz_enabled) {
- DBG(r300, DBG_HYPERZ, "r300: Clear memory: %s%s\n",
- zmask_clear ? "ZMASK " : "", hiz_clear ? "HIZ" : "");
-
if (zmask_clear) {
hyperz_dcv = hyperz->zb_depthclearvalue =
r300_depth_clear_value(fb->zsbuf->format, depth, stencil);